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[r14 syndrome without major dysmorphism].

M C de Blois1, B Caille, M O Rethoré

  • 1Centre de Recherches en Génétique Humaine, Institut de Progénèse, Paris, France.

Annales De Genetique
|January 1, 1990
PubMed
Summary
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A rare ring 14 chromosome abnormality was identified in an 8-year-old boy with intellectual disability and epilepsy. This genetic finding was associated with specific eye abnormalities, including macular dystrophy.

Area of Science:

  • Genetics
  • Clinical Medicine
  • Developmental Biology

Background:

  • This case highlights the genetic underpinnings of neurodevelopmental disorders.
  • Epilepsy and intellectual disability present significant challenges in pediatric care.

Observation:

  • An 8-year-old boy with a history of epilepsy and intellectual disability since infancy was examined.
  • Ophthalmic examination revealed macular dystrophy characterized by whitish puncta.
  • The patient exhibited "almond shaped eyes" but no other significant dysmorphic features.

Findings:

  • Karyotyping confirmed the presence of a ring 14 chromosome (r(14)) in the patient.
  • The ring 14 chromosome is a rare chromosomal abnormality associated with various developmental issues.

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Implications:

  • Ring 14 chromosome syndrome can manifest with a spectrum of neurological and ophthalmological symptoms.
  • Further research is needed to understand the precise genotype-phenotype correlations in ring 14 chromosome disorders.
  • Early genetic diagnosis is crucial for appropriate management and genetic counseling.